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<p>[QUOTE="Insider, post: 2917014, member: 24314"]SuperDave, posted "...the fact that this is a very common phenomena with Morgans..."</p><p><br /></p><p>[USER=1892]@SuperDave[/USER] is correct as Doug has misspoken in this quote: </p><p><br /></p><p>GDJMSP, posted: "...they are without question scrapes that occurred not only long after the coin the was struck, but also after it was toned."</p><p><br /></p><p>jtlee321, is mostly correct: "...it looks like the toning did not take due to a planchet flaw just below the surface that was exposed while being drawn through the draw bench. That white looks familiar, as I've seen it on other Morgans."</p><p><br /></p><p>In the largest sense, a roller mark is a flaw in the planchet. However, this specific characteristic is simply called a "roller mark." This imperfection was not completely obliterated when the coin was struck. Roller marks are caused by worn rollers or the draw bench. They do not happen due to "a planchet flaw just below the surface." They are the flaw! There are many variables to consider but the deeper the marks go into the planchet, the more likely they will not be struck out. One very important characteristic in the image is the interior of the marks. It is dull. That's the same color we see on weak strikes. Some long-time grading instructors call this "weak strike luster." When you examine a coin and see this "matte color" inside a "scratch-like" mark, it is NOT PMD. The area inside the mark did not tone because its surface is not as susceptible to tone as the struck portions of the surface. </p><p><br /></p><p>[USER=1892]@SuperDave[/USER] continues: This one <i>is</i> a candidate for removal of the toning, with the proper technique. That technique probably shouldn't be <i>only</i> thiourea, given the thickness of the toning at the periphery. I know <b>how</b> I'd do it if the coin were mine, but I don't know <b>if</b> I'd do it. This is a 4-figure coin in 65, with a good shot at 65, and I'd probably not risk that upside by removing the color. It doesn't always come out right even if you do it right."</p><p><br /></p><p>He saved me a lot of posting. DON'T TOUCH THE COIN! I love it. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="Insider, post: 2917014, member: 24314"]SuperDave, posted "...the fact that this is a very common phenomena with Morgans..." [USER=1892]@SuperDave[/USER] is correct as Doug has misspoken in this quote: GDJMSP, posted: "...they are without question scrapes that occurred not only long after the coin the was struck, but also after it was toned." jtlee321, is mostly correct: "...it looks like the toning did not take due to a planchet flaw just below the surface that was exposed while being drawn through the draw bench. That white looks familiar, as I've seen it on other Morgans." In the largest sense, a roller mark is a flaw in the planchet. However, this specific characteristic is simply called a "roller mark." This imperfection was not completely obliterated when the coin was struck. Roller marks are caused by worn rollers or the draw bench. They do not happen due to "a planchet flaw just below the surface." They are the flaw! There are many variables to consider but the deeper the marks go into the planchet, the more likely they will not be struck out. One very important characteristic in the image is the interior of the marks. It is dull. That's the same color we see on weak strikes. Some long-time grading instructors call this "weak strike luster." When you examine a coin and see this "matte color" inside a "scratch-like" mark, it is NOT PMD. The area inside the mark did not tone because its surface is not as susceptible to tone as the struck portions of the surface. [USER=1892]@SuperDave[/USER] continues: This one [I]is[/I] a candidate for removal of the toning, with the proper technique. That technique probably shouldn't be [I]only[/I] thiourea, given the thickness of the toning at the periphery. I know [B]how[/B] I'd do it if the coin were mine, but I don't know [B]if[/B] I'd do it. This is a 4-figure coin in 65, with a good shot at 65, and I'd probably not risk that upside by removing the color. It doesn't always come out right even if you do it right." He saved me a lot of posting. DON'T TOUCH THE COIN! I love it. ;)[/QUOTE]
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